Physics, 26.04.2021 23:50, dasan21

A block and tackle of 6 pulleys is used to raise a load of 300 newton steadily through a height of 30 meters. If the work done against friction is 2000j calculate the work done by effort?

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A block and tackle of 6 pulleys is used to raise a load of 300 newton steadily through a height of 3...

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